The air is so black with diesel fumes and coal dust, I can barely see.

天空由于充满柴油机的浓烟和煤灰而如此黑，我几乎看不见。

《柯林斯英汉双解大词典》

youdao

It's named Soot because it's so black, an' it hops an' flies about with him everywhere.

它叫煤灰，因为它太黑了，它跟着他到处跳，到处飞。

youdao

So the black players on the team were forced to ask their white teammates to buy food for them.

VOA: special.2010.04.11

He's a black man, and he passes for his whole life as Jewish, and in doing so rejects his family.

他是黑人，并以犹太人的身份度过一生，这样做受到了家人的反对。

耶鲁公开课 - 1945年后的美国小说课程节选

So I had only known people of color. I only knew black people or Nigros as we called ourselves then or we are called.

所以，我所认识的人,就只有黑人而已,那时我们自称“黑鬼“,大家也都这么叫我们。

普林斯顿公开课 - 人性课程节选

But this year, two cases show that it isn't always so black-and-white to honor the nation's fallen men and women in blue.

NPR: Police Memorial Wall Comes With Some Tough Calls

He was so black that I assumed he was still in my bedroom, standing there invisible in his floppy tie: Mr. Bones.

NEWYORKER: Mr. Bones

Former Ambassador Christopher Hill will join us next to explain why diplomacy is rarely so black and white, and when we should talk with monsters.

NPR: Managing The $30 Million 'One Fund' To Aid Boston Victims